Blatter \Blat"ter\, v. i. [imp. & p. p. {Blattered}.] [L. blaterare to babble: cf. F. blat['e]rer to bleat.] To prate; to babble; to rail; to make a senseless noise; to patter. [Archaic] ``The rain blattered.'' --Jeffrey. They procured . . . preachers to blatter against me, . . . so that they had place and time to belie me shamefully. --Latimer.